Exposure to hazardous chemicals *** No
This is not a hazard that is commonly associated with cranes. However, an improper
exhaust system can be a problem.
The load or boom striking people or property *** Yes
It is really important to communicate, via radios or hand signals, between the operator
and the people on the ground.
Lifting a load that is too heavy *** Yes
Crane operators must know the load limits of the crane and the weight of the load about
to be lifted Inhaling asbestos fibers *** No
This is not a hazard that is commonly associated with cranes. However, an improper
exhaust system can be a problem.
Crane tipping over *** Yes
A boom angle indicator helps prevent cranes from tipping over. It must be located on
the crane in a position where it will be clearly visible to the operator.
Working too close to power lines *** Yes
Contact with energized power lines causes nearly 45 percent of crane accidents.
Setting up a crane on level ground. *** Safe
If a crane is on ground that is not level, it is more likely to tip over and injure or kill
people. Accidents are caused by things such as instability, lack of communication, lack
of training, and inadequate maintenance or inspection.
A crane is set up on soft ground. *** Unsafe
Soft ground can lead to instability, which can lead to overturned cranes. Accidents are
caused by things such as instability, lack of communication, lack of training, and
inadequate maintenance or inspection.
A load is less than the crane's load capacity. *** Safe
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, If a load exceeds the crane's load capacity, there will be a high risk of something
breaking, falling, or overturning.
A boom operating near an energized power line. *** Unsafe
Contact with power lines is a common cause of accidents. Accidents are caused by
things such as instability, lack of communication, lack of training, and inadequate
maintenance or inspection.
A load is not completely secured. *** Unsafe
Unsecured loads can lead to dropped loads. Accidents are caused by things such as
instability, lack of communication, lack of training, and inadequate maintenance or
inspection.
Safety guidelines for operating a crane before initial start-up include: *** Ensure the
crane support surface is able to support the load, Know the voltage of overhead power
lines, Know the basic crane capacities and limitations, Barricade areas within the swing
radius.
The safety guidelines for operating a crane before initial start-up include:
Level the crane and ensure support surface is firm and able to support the load
Contact power line owners and determine precautions; know the location and voltage of
overhead power lines
Know the basic crane capacities, limitations, and job site restrictions, such as the
location of power lines, unstable soil, or high winds.
Make other personnel aware of hoisting activities
Barricade areas within the swing radius
Ensure proper maintenance and inspections
Determine safe areas to store materials and place machinery
Most crane-related accidents result from one of these causes EXCEPT: *** Operators
under the influence
OSHA has identified the major causes of crane accidents to be boom or crane contact
with energized power lines (nearly 45% of the cases); overturned cranes; dropped
loads; boom collapse; crushing by the counter weight; outrigger use; falls; and rigging
failures.
Crane-related hazards typically arise from one or all of these conditions EXCEPT: ***
The following are examples of various crane hazards: improper load rating, excessive
speeds, no hand signals, inadequate inspection and maintenance, unguarded parts,
unguarded swing radius, working too close to power lines, improper exhaust system,
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